Home / 7,252,169.01-10,007,781.78-3,988,982.76

Finding the Fourth Proportional to 7,252,169.01, 10,007,781.78 and 3,988,982.76

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Solution

The fourth proportional to 7,252,169.01, 10,007,781.78 and 3,988,982.76 is: 5,504,679.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,252,169.01 : 10,007,781.78 = 3,988,982.76 : x
  2. Step 2: Convert to fraction form
    7,252,169.01/10,007,781.78 = 3,988,982.76/x
  3. Step 3: Cross multiply
    7,252,169.01x = 10,007,781.78 × 3,988,982.76
  4. Step 4: Simplify right side
    7,252,169.01x = 39,920,868,986,262.11
  5. Step 5: Solve for x
    x = 39,920,868,986,262.11/7,252,169.01
  6. Step 6: Final answer
    x = 5,504,679.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.